Low-sludge partial nitrification enabled by carbon–nitrogen decoupling and encapsulated biofillers

Key Points

• Achieving low-sludge partial nitrification enhances nutrient removal during wastewater treatment.
• The system demonstrated over 80% reduction in sludge production, significantly improving efficiency.
• Analyses revealed a novel approach using carbon-nitrogen decoupling facilitated by encapsulated biofillers.
• These findings suggest advancements in wastewater treatment systems, potentially enhancing sustainability.